Architectural Masterpiece with Spectacular Views on 10± Acres. Stunning Mid-Century Modern estate designed by renowned architects Robert Zinkhan & Gary Tobey. 6709 Lower Ridge is a work of art featuring 3,875± sq.ft of living, seamlessly integrated into the natural surroundings of the landscape. Nestled on a hillside with spectacular floor-to-ceiling windows that take advantage of the panoramic vistas throughout the home. Arrive at the gated entry of the property and descend a stone path alongside a beautiful waterfall to the main entrance. The 650 lbs front door is a magnificent work of art, hand-carved from a single tree. An impressive towering metal fireplace anchors the living room while expansive walls of glass blend the outdoor space with the indoors. The organic architecture boasts a blend of floor-to-ceiling windows with unique mitered corners, beautiful wood ceilings, custom woodwork, and stone walls. Set on 10± acres of gently sloping land, with a sparkling in-ground pool, expansive stone patios, and an outdoor kitchen great for entertaining, majestic oak trees, and mature plantings. The main home features two bedrooms, 3.5 bathrooms, and a spacious loft. The guest house features a kitchenette and two bedrooms with full ensuite bathrooms and large closets. The guest house offers an expansive terrace with sweeping views and sits over the 6 car garage with a convenient half bath. Located in the prestigious Foothill Ranch community with miles of private hiking, riding trails, and a private lake. Equidistant to Healdsburg and Calistoga and just minutes to Sonoma County Airport, world-renowned wineries and restaurants. Only 10 minutes to local favorite, Oliver's Market and award-winning schools, and less than one hour to Sonoma's coast and the Golden Gate Bridge, making commuting a breeze. The House as Art Robert G. Zinkhan, Architect AIA, believes in keeping the art in architecture. Being of the "organic" school, he believes in the inseparable identity of a building and its setting—relying on the site as the essential form-giver. “The Goal — The House as Art.” 6709 Lower Ridge is definitely a work of art. This architectural masterpiece by Robert Zinkhan and Gary Tobey, is not just a home; it is a living testament to the possibility of achieving harmony between human habitation and the natural world.